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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EA, US (Joint) |
2024-12-20 13:45 |
Oita | OITAUniv (Oita) | [Poster Presentation]
Study on estimation method of viscoelastic parameters in mechanical burst excitation SWVE Hiroyuki Shiraishi, Kakeru Kobayashi, Ayumu Matsuda (Chiba Univ.), Mikio Suga, Kenzi Yoshida, Tadashi Yamaguchi (Center for Frontier Medical Engineering, Chiba Univ.), Hiroyuki Hachiya (Tokyo Institute of Technology), Shinnosuke Hirata (Center for Frontier Medical Engineering, Chiba Univ.)  US2024-63 |
Shear wave elastography (SWE), an evaluation technique of tissue elasticity in ultrasound scanners, estimates dynamic el... [more] | US2024-63 pp.19-24 |
| US | 2023-08-21 14:20 |
Tokyo | Tokyo Tech Front, Tokyo Tech (Ookayama Campus) (Tokyo) | Amplitude and phase fluctuation of reflected sound from the sea surface with waves Hiroyuki Hachiya, Ai Murata (Tokyo Tech.) US2023-33 |
[more] | US2023-33 pp.12-17 |
| EA, US (Joint) |
2022-12-22 13:30 |
Hiroshima | Satellite Campus Hiroshima (Hiroshima) | [Poster Presentation]
Measurement of shear wave velocity by mechanical burst excitation in the polyacrylamide gel phantom Shinichiro Saito, Kaname Kurokawa, Mikio Suga, Kenji Yoshida, Tadashi Yamaguchi (Chiba Univ.), Hiroyuki Hachiya (Tokyo Tech.), Shinnosuke Hirata (Chiba Univ.) US2022-54 |
Shear Wave Elastography (SWE) in ultrasound imaging systems can evaluate the elasticity of biological tissue by measurin... [more] | US2022-54 pp.19-23 |
| US | 2022-08-22 13:00 |
Tokyo | Tokyo Tech (Ookayama Campus) (Tokyo) | [Invited Talk]
Characteristics of sound propagation in underwater acoustic measurement Hiroyuki Hachiya (Tokyo Tech.) US2022-29 |
Underwater sounds are widely used for underwater communication, sonar, and wide-area measurement of ocean temperature an... [more] | US2022-29 pp.1-6 |
| US | 2022-08-22 16:30 |
Tokyo | Tokyo Tech (Ookayama Campus) (Tokyo) | Evaluation of frequency dispersion of viscoelastic tissue by mechanical burst excitation shear wave elastography Shinnosuke Hirata, Shinichiro Saito, Kaname Kurokawa, Mikio Suga, Kenji Yoshida, Tadashi Yamaguchi (Chiba Univ.), Hiroyuki Hachiya (Tokyo Tech) US2022-35 |
In ultrasound shear wave elastography (SWE), the shear modulus of the liver, associated to the progression of liver fibr... [more] | US2022-35 pp.34-38 |
| US | 2021-08-27 15:10 |
Online | Online (Online) | Evaluation of reflected waveform from obstacles on the road surface Yuki Tan (Titech), Shinnosuke Hirata (Chiba Univ.), Hiroyuki hachiya (Titech) US2021-30 |
[more] | US2021-30 pp.14-19 |
| US | 2020-08-26 14:55 |
Online | Online (Online) | Analysis of fluctuations of sound reflected on sea surface using the FDTD method Tomoya Tsukui (Tokyo Tech), Shinnosuke Hirata (Chiba Univ), Hiroyuki Hachiya (Tokyo Tech) US2020-24 |
Many kinds of hydro acoustic devices are used in the field of ocean development of resources and observations. These dev... [more] | US2020-24 pp.21-26 |
| US | 2020-08-26 15:20 |
Online | Online (Online) | Accuracy evaluation of liver fibrosis estimation based on multi-Rayleigh model with two components considering the effect of lateral resolution Chuang Zhang, Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Tech.) US2020-25 |
We have been developing a quantitative estimation method of liver fibrosis using multi-Rayleigh model to express a proba... [more] | US2020-25 pp.27-32 |
| US | 2019-08-28 14:15 |
Tokyo | (Tokyo) | Estimation of fluctuation characteristics of acoustic multipath propagation in coastal water Hiroyuki Hachiya (Tokyo Tech.) US2019-40 |
[more] | US2019-40 pp.17-22 |
| US | 2019-06-17 16:00 |
Tokyo | Akihabara satellite campus, Tokyo Metropolitan University (Tokyo) | Evaluation of liver fibrosis with high estimation accuracy by using moments of the probability density function of echo envelope in complex space Chuang Zhang, Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Tech.) US2019-24 |
We have been developing a quantitative estimation method of liver fibrosis using multi-Rayleigh model to express a proba... [more] | US2019-24 pp.25-30 |
| EA, US (Joint) |
2019-01-22 14:00 |
Kyoto | Doshisha Univ. (Kyoto) | [Poster Presentation]
Basic study of measurement method of broadband ultrasonic attenuation in non-contact QUS Toshiaki Okubo, Shinnosuke Hirata, Hiroyuki Hachiya (TokyoTech) US2018-100 |
QUS is widely used as screenings of osteoporosis. In this study, a method of measurement of speed of sound (SOS) and bro... [more] | US2018-100 pp.103-106 |
| US | 2018-08-30 13:30 |
Tokyo | Tokyo Institute of Technology (Tokyo) | Quantitative analysis of acoustic reflection characteristics on sea surface using FDTD simulation Tomoya Tsukui, Shinichi Sawada (IHI), Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Tech) US2018-41 |
Many kinds of hydro acoustic devices are used in the field of ocean development of resources and observations with AUV a... [more] | US2018-41 pp.1-6 |
| US | 2018-05-21 16:20 |
Tokyo | (Tokyo) | Consideration about evaluation method of road surface roughness by amplitude statistics of sound waves reflected from the road surface Naoki Shinoda, Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Tech) US2018-17 |
Spatial information measurement such as road surface measurement and road obstacle detection is useful for automatic ope... [more] | US2018-17 pp.35-40 |
| US | 2017-08-31 10:00 |
Kanagawa | (Kanagawa) | Variability characteristics of sound reflection on sea surface with wave
-- A result of water tank experiment -- Tomoya Tsukui, Shinichi Sawada (IHI), Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Inst. of Tech.) US2017-46 |
Various hydro acoustic devices are used in the field of ocean development of resources and observations with AUV and ASV... [more] | US2017-46 pp.1-6 |
| US | 2017-05-22 13:55 |
Tokyo | (Tokyo) | Non-contact measurement of body-surface displacement by breathing and heart beat using airborne acoustic images Taiki Hayashi, Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Inst. of Tech.) US2017-15 |
Today, vital signs measurement systems, in which sensors are had contact with or closed to body surface, are widely prev... [more] | US2017-15 pp.7-12 |
| EA, US (Joint) |
2017-01-25 10:30 |
Kyoto | Doshisha Univ. (Kyoto) | [Poster Presentation]
Relationship of shear wave velocity and excited vibration waveform in tissue mimicking phantom Hiroto Hasegawa, Shihei Mori, Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Tech) US2016-83 |
It is known shear modulus of fibrotic liver tissues becomes larger than that of normal tissues. Many approaches to evalu... [more] | US2016-83 pp.55-60 |
| EA, US (Joint) |
2017-01-25 10:30 |
Kyoto | Doshisha Univ. (Kyoto) | [Poster Presentation]
Scattering structure estimation of excised rat liver using the envelope statistics Kazuki Tamura, Ryota Torii, Kenji Yoshida, Hitoshi Maruyama, Hideyuki Hasegawa, Hiroyuki Hachiya, Tadashi Yamaguchi (Chiba university) US2016-88 |
[more] | US2016-88 pp.85-89 |
| US | 2016-08-25 14:25 |
Tokyo | Tokyo Institute of Technology, Ookayama Campus (Tokyo) | Evaluation of sound reflection characteristics on sea surface with ocean waves using the FDTD method. Tomoya Tsukui, Shinichi Sawada (IHI), Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Tech) US2016-39 |
(To be available after the conference date) [more] | US2016-39 pp.7-12 |
| US, EA (Joint) |
2016-01-29 15:30 |
Osaka | Kansai University, Centenary Memorial Hall (Osaka) | Experimental evaluation of imaging method of liver tissues for quantitative diagnosis using a contrast phantom with three areas Minori Ohashi, Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Tech) US2015-104 |
[more] | US2015-104 pp.117-122 |
| US | 2015-10-09 14:00 |
Ishikawa | Kanazawa Institute of Technology (Ishikawa) | Study about multi-channelization in ultrasonic distance measurement using LFM signal coded by M-sequence Kota Yamanaka, Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Tech) US2015-60 |
In ultrasonic distance measurement by the pulse-echo method, the signal-to-noise ratio (S/N) of the received echo and th... [more] | US2015-60 pp.13-18 |
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